# coding: utf-8

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from tests.functional import *
from time import sleep


@requirements(num_moms=2)
class TestMultiNodeJobsRestart(TestFunctional):
    """
    Make sure that jobs remain active after node restart
    """

    def test_restart_hosts_resume(self):

        momA = self.moms.values()[0]
        momB = self.moms.values()[1]

        # Make sure moms are running with -p flag
        momA.stop(sig='-INT')
        momA.start(args=['-p'])
        momB.stop(sig='-INT')
        momB.start(args=['-p'])

        pbsdsh_path = os.path.join(self.server.pbs_conf['PBS_EXEC'],
                                   "bin", "pbsdsh")
        script = "sleep 60 && %s echo 'Hello, World'" % pbsdsh_path
        j = Job(TEST_USER)
        j.set_attributes({'Resource_List.select': '2',
                          'Resource_List.place': 'scatter'})
        j.create_script(script)
        start_time = time.time()
        jid = self.server.submit(j)
        self.server.expect(JOB, {'job_state': 'R'}, id=jid)

        momA.stop(sig='-INT')
        momA.start(args=['-p'])
        momB.stop(sig='-INT')
        momB.start(args=['-p'])

        self.server.expect(JOB, {'job_state': 'R'}, id=jid)

        sleep(60)

        self.server.log_match("%s;Exit_status=0" % jid, starttime=start_time)

        # Restart moms without -p flag
        momA.restart()
        momB.restart()

    def test_restart_hosts_resume_withoutp(self):

        momA = self.moms.values()[0]
        momB = self.moms.values()[1]

        # Make sure moms are running with -p flag
        momA.restart(args=[])
        momB.restart(args=[])

        pbsdsh_path = os.path.join(self.server.pbs_conf['PBS_EXEC'],
                                   "bin", "pbsdsh")
        script = "sleep 60 && %s echo 'Hello, World'" % pbsdsh_path
        j = Job(TEST_USER)
        j.set_attributes({'Resource_List.select': '2',
                          'Resource_List.place': 'scatter'})
        j.create_script(script)
        start_time = time.time()
        jid = self.server.submit(j)
        self.server.expect(JOB, {'job_state': 'R'}, id=jid)

        momA.stop(sig='-INT')
        momA.start(args=['-p'])
        momB.stop(sig='-INT')
        momB.start(args=['-p'])

        self.server.expect(JOB, {'job_state': 'R'}, id=jid)

        sleep(60)

        self.server.log_match("%s;Exit_status=0" % jid, starttime=start_time)

        # Restart moms without -p flag
        momA.restart()
        momB.restart()

    def test_premature_kill_restart(self):

        momA = self.moms.values()[0]
        momB = self.moms.values()[1]

        # Make sure moms are running with -p flag
        momA.restart(args=['-p'])
        momB.restart(args=['-p'])

        pbsdsh_path = os.path.join(self.server.pbs_conf['PBS_EXEC'],
                                   "bin", "pbsdsh")
        script = "sleep 60 && %s echo 'Hello, World'" % pbsdsh_path
        j = Job(TEST_USER)
        j.set_attributes({'Resource_List.select': '2',
                          'Resource_List.place': 'scatter'})
        j.create_script(script)
        start_time = time.time()
        jid = self.server.submit(j)
        self.server.expect(JOB, {'job_state': 'R'}, id=jid)

        momA.signal("-KILL")
        momB.signal("-KILL")
        sleep(5)
        momA.start(args=['-p'])
        momB.start(args=['-p'])

        self.server.expect(JOB, {'job_state': 'R'}, id=jid)

        sleep(55)

        self.server.log_match("%s;Exit_status=0" % jid, starttime=start_time)

        # Restart moms without -p flag
        momA.restart()
        momB.restart()
